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Dry low combustion system with means for eliminating combustion noise

United States Patent

February 17, 2004
View the Complete Patent at the US Patent & Trademark Office
A combustion system including a plurality of axially staged tubular premixers to control emissions and minimize combustion noise. The combustion system includes a radial inflow premixer that delivers the combustion mixture across a contoured dome into the combustion chamber. The axially staged premixers having a twist mixing apparatus to rotate the fluid flow and cause improved mixing without causing flow recirculation that could lead to pre-ignition or flashback.
Verdouw; Albert J. (Indianapolis, IN), Smith; Duane (Carmel, IN), McCormick; Keith (Indianapolis, IN), Razdan; Mohan K. (Indianapolis, IN)
Rolls-Royce Corporation (Indianapolis, IN)
10/ 096,230
March 12, 2002
The present invention was made under contract DE-FC21-96-MC33066 awarded by the United States Department of Energy. The United States Department of Energy may have rights in the invention